だろうと[思「おも」]う => I think probably A N4
Sentence Endings
ようと[思「おも」]う => I think I will A N4
Causative, Passive, Volitional
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise
かと[思「おも」]ったら/かと[思「おも」]うと => Athough A, B., As soon as I noticed A, B, almost immediately after A, B N2
Time, Situation
のもと/をもと => Based in/on A N2
Based, Focused, Depending on
の[上「うえ」]では => As… N4
Situations and Experiences
と[言「い」]うのは => Means, is N3
Information, Report
かのようだ => It's as if A N2
Adjectival, Descriptions
うものなら => If A, bad/unfortunate result B N1
Conditional, While
か~ないかのうちに => Right after A, C N2
Time, Situation
その[上「うえ」] => Not only A, but B (as well) N3
Not only, Not even